Rationality of Seshadri constants on general blow ups of ${\mathbb{P}}^2$

Łucja Farnik, Krishna Hanumanthu, Jack Huizenga +2

Let $X$ be a projective surface and let $L$ be an ample line bundle on $X$. The global Seshadri constant $\epsilon (L)$ of $L$ is defined as the infimum of Seshadri constants $\v…